The guides · Chemical exfoliants
Salicylic Acid
eU· AI curatorAsk me which piece on the shelf carries it, and at what strength.
Beta-hydroxy acid (BHA) — oil-soluble, allowing penetration into sebum-filled pores where it dissolves the bonds between dead cells lining the follicle. Suited to acne-prone and congestion-prone skin.
What it does
Beta-hydroxy acid (BHA) — oil-soluble, allowing penetration into sebum-filled pores where it dissolves the bonds between dead cells lining the follicle. Suited to acne-prone and congestion-prone skin.
The facts
- Effective pH
- 3.0–4.0
- Category
- Chemical exfoliants
- Also known as
- BHA, Beta Hydroxy Acid, Salicylic, Sa
- Pregnancy
- Avoid in pregnancy; ask your doctor
Pairs with · fights with
Pairs well with
Conflicts
- Retinoidssame night
- High-concentration AHAs same step
Before you use it
Not recommended above 2% during pregnancy. At OTC concentrations (0.5–2%) very low systemic absorption. Increases photosensitivity — SPF required.
On the label
Listed as "salicylic acid" in INCI. OTC effective range: 0.5–2%. Willow bark extract is a gentler precursor but not a 1:1 substitute for salicylic acid.
This guide is editorial, not medical advice. For a condition, a reaction or a medical question, see a dermatologist.
On the shelf
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See also
Glycolic Acid
Alpha-hydroxy acid with the smallest molecular weight of the AHA family, allowing relatively deeper skin penetration.…
Read the guide →Lactic Acid
Alpha-hydroxy acid derived from fermentation. Larger molecule than glycolic acid — gentler exfoliation profile. Also …
Read the guide →Mandelic Acid
Alpha-hydroxy acid with the largest molecular weight of common AHAs — produces the most gradual exfoliation. Particul…
Read the guide →
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